All Boss Powers in Diablo 4 Season 8: Belial's Return

Power

Main Effect

Modifier Effect

Andariel's Flaming Skull

After standing still for 1 second, summon a Skull for 4 seconds that rotates around you and breathes fire that Burns enemies for 3 seconds.

Enemies take more damage from your DoT effects.

Duriel's Burrow

When you Evade, you now burrow underground, Immobilizing surrounding enemies for 5 seconds and dealing X% damage on your entry and exit. You deal X% damage every 0.25s while burrowed. Evade cooldown is increased by 4 seconds, and cooldown reduction for Evade is 50% as effective.

Activating your main boss power grants you X% increased Dodge Chance for 5 seconds. Whenever you dodge an attack, you Immobilize nearby enemies for 3 seconds.

Lilith's Wind of Hate

When you Cast a skill, attack enemies with a wave of spikes that lasts 2 seconds and deals X% Physical damage. Enemies take up to 60%[x] increased damage from Wind of Hate each time it hits them, up to 300%[x].

Hitting an Elite enemy with a Main Boss Power creates an inert Blister Clone with up to 10% of their Maximum Life for up to 15 seconds. Killing the Blister removes X% of the Elite's Life. An Elite can have up to 1 Blister active at once, and a Boss can have up to 2 Blisters. Enemies with Resilience cannot spawn Blisters.

Harbinger of Hatred's Volley

After damaging a Vulnerable enemy, shoot piercing projectiles that last up to 1.3 seconds, dealing X% Fire damage and applying Vulnerable. Deals 40% multiplicative increased damage to Vulnerable enemies.

Casting a Basic Skill while at Maximum Resource spends it all to make all Nearby enemies Vulnerable. Activating your Main Boss Power grants X% multiplicative increased Vulnerable Damage for 5 seconds.

Belial's Eye Beams

After you drink a Healing Potion, gain Damage Reduction for 2 seconds and summon eye beams that Corrupt enemies for X% damage over 3.5 seconds. Then, your Healing Potion becomes disabled for 5 seconds. You may drink your Healing Potion while at full Life.

Activating your Main Boss Power grants Stealth for 2 seconds. You deal increased (multiplicative) Overpower Damage while Stealthed.

Beast in Ice's Sleet

After casting 3 Skills which apply Crowd Control or Stagger effects, shoot out sleet spikes that deal Cold damage and Freeze enemies for 2 seconds.

Your Main Boss Power now Chills enemies it damages.

Lord Zir's Blood Pool

After you damage an enemy, spawn a pool of blood that deals X% Bleeding damage per second over 4 seconds. You can have up to 3 active pools.

Activating your Main Boss Power Heals you for X% of your Maximum Life over 3 seconds.

Belial's Crystal Decoy

When you cast an Agility, Defensive, or Macabre skill, spawn a crystal that Taunts enemies and explodes after 3 seconds, dealing Shadow damage.

Activating your Main Boss Power Fears nearby enemies for.75 seconds and deals Shadow damage.

Varshan's Life Steal

Every 1 second, attach a leeching beam to the closest enemy which deals Corrupting damage to them and restores 15% of your Maximum Life.

Activating your Main Boss Power inflicts Nearby enemies with Corrupting damage over 2 seconds.

Grigoire's Lightning Square

After you cast a Core Skill, lightning tiles outward for 1.2 seconds dealing Lightning damage per strike.

Once per activation, damaging an enemy with your Main Boss Power Stuns enemies it hits for 5 seconds.

Urivar's Lobbed Bombs

After you cast an Ultimate skill, lob 4 bombs that deal Fire damage. Gain 15% Cooldown Reduction.

Killling an enemy with your Main Boss Power reduces your Ultimate Skill's Cooldown by 0.58 seconds.

Ashava's Poison Breath

Hitting an enemy affected by DoT effects spawns a wave of acid that deals Poisoning damage over 4 seconds. Applies 10% more Poisoning for each 1% of the target's current Life affected by DoT.

Once per activation, damaging an enemy with your Main Boss Power also applies Poisoning damage over 3 seconds.

Avarice's Explosive Ore

When you gain excess Primary Resource, spawn a Piece of Ore. After 2.5 seconds, the ore explodes, dealing Fire damage. You can spawn up to 3 Pieces of Ore at once.

Activating your Main Boss Power spends all Primary Resource to increase its damage by a small percentage (multiplicative) per Resource Point spent.

Wandering Death's Chest Beam

While Channeling a Skill, spawn a beam that deals Frostbite damage per second. Enemies hit take 50% increase damage from you for 1 second.

Your Main Boss Power instantly Executes Non-Boss Enemies hit with less than x% Life. When you Execute enemies, gain 25 Primary Resource.

Allek's Talons

Casting a Basic Skill applies Sparking damage over 4 seconds to enemies hit.

Gain 5% Movement Speed, increased by 0.5% for each 1% Cooldown Reduction you have, up to 30%.

Blackmailer's Sabotage

Casting a Core Skill while you have Barrier Knocks Down Close enemies for 3 seconds. This cannot occur to the same enemy more than once every 5 seconds.

Whenever you gain Fortify, additionally gain 30% of the amount as Barrier.

Beastmaster's Training

Whenever you cast a Summon Skill or a Mercenary Reinforcement, one of your Summons or Mercenaries Stun surrounding enemies for 4 seconds and gain Damage Reduction.

Your Summons deal more damage, increased by a small percentage for each 1% Bonus Critical Strike Damage you have from items and Paragon, up to 150%.

Flesh Reaper's Disruption

Damaging a Vulnerable enemy removes the Vulnerable effect and then Stuns them and surrounding enemies for 5.25 seconds. This Stun applies 100% more Stagger to Bosses.

Gain Vulnerable damage, increased for each 1% of Crowd Control Duration Bonus you have, up to a max of 20%.

Kirma's Sparks

When you Evade, apply Sparking damage over 4 seconds to Close enemies.

Your Evade cooldown is reduced by 5%, increased for every 1% Lightning Resistance you have, up to a max of 30%.

Outlaw Sharpshooter's Eye

Dealing Direct Damage to a Distant enemy Slows them and surrounding enemies for 5 seconds.

You deal increased damage to Enemies the further they are from you.

Sinerat's Flames

Using a Mobility Skill Burns Close enemies over 4 seconds.

Gain increased damage to all Elements. For each 1% of an Element's Resistance from bonuses, gain increased damage for that Element, up to a maximum of 25.00%[x].

Skerg's Toxins

When an enemy deals direct damage to you, apply Poisoning damage to them over 4 seconds.

When you take damage from a DoT effect, you have a chance to be Healed instead, increased by a percentage of your Poison Resistance from bonuses, up to a maximum of 50%.

Torusk's Rage

Damaging a Crowd Controlled enemy makes them and surrounding enemies Unstoppable but you gain increased Damage, Attack Speed, and Movement Speed for 3 seconds.

Gain Attack Speed, increased by 0.25% for each 1% Damage to Crowd Controlled Enemies you have, up to a max of 20%